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Note that the Java algorithms are a port of the C# ones, and only the LZ10 and LZ11 have been tested of the Java implementation.
67 lines
1.6 KiB
Java
67 lines
1.6 KiB
Java
public class NLinkedListNode<E> {
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private E value;
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private NLinkedListNode<E> previous = null, next = null;
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public NLinkedListNode(E value){
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this.setValue(value);
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}
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public E getValue(){
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return this.value;
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}
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public void setValue(E value){
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this.value = value;
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}
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public NLinkedListNode<E> getNext(){
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return this.next;
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}
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public void setNext(NLinkedListNode<E> next){
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if(this.next != null && this.next.previous == this)
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this.next.previous = null;
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this.next = next;
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if(this.next != null)
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this.next.previous = this;
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}
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public NLinkedListNode<E> getPrevious(){
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return this.previous;
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}
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public void setPrevious(NLinkedListNode<E> previous){
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if(this.previous != null && this.previous.next == this)
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this.previous.next = null;
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this.previous = previous;
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if(this.previous != null)
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this.previous.next = this;
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}
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/**
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* Adds this node after another node
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* @param node the node this node should be after
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*/
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public void addAfter(NLinkedListNode<E> node){
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assert node != null : "Cannot add a node after null";
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NLinkedListNode<E> next = node.next;
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this.setPrevious(node);
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this.setNext(next);
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}
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/**
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* Adds this node before another node
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* @param node the node this node should be before
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*/
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public void addBefore(NLinkedListNode<E> node){
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assert node != null : "Cannot add a node before null";
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NLinkedListNode<E> prev = node.previous;
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this.setNext(node);
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this.setPrevious(prev);
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}
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public void remove(){
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if(this.previous != null)
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this.previous.setNext(this.next);
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if(this.next != null)
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this.next.setPrevious(this.previous);
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}
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}
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